|1010||Natural gas||250 g|
|1011||Bottle gas||250 g|
|1010/1||Natural gas||250 g|
|1011/1||Bottle gas||250 g|
Burners according to DIN 30665 cannot be switched off completely. A small flame remains burning even if needle valve or stop cock are turned off. The gas flow shall be disconnected by means of the central stop cock in the laboratory.
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The picture shows the burner with safety base (extra charge) .